CVE-2025-14477
MediumCVSS 4.9Exploitation Probability (EPSS)
Low risk28th percentile - higher than 28% of all known CVEs
Summary
The 404 Solution plugin for WordPress in versions up to and including 3.1.0 is vulnerable to SQL Injection due to insufficient escaping of the filterText parameter in the ajaxUpdatePaginationLinks AJAX action. The sanitization logic can be bypassed using the sequence '*$/', which becomes '*/' after the '$' character is removed, allowing escape from SQL comment context. An authenticated attacker with administrator-level access can append additional SQL queries and extract sensitive data via time-based blind SQL injection.
Risk Assessment
The vulnerability allows exfiltration of sensitive data from the WordPress database, including user and configuration data. It requires an administrator-level account, which limits the attacker pool, but the impact is severe if such an account is compromised.
Recommendation
Update the 404 Solution plugin to a version newer than 3.1.0 as soon as it becomes available. Until then, limit the number of administrator accounts and monitor for unusual database queries.
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Original NVD description (English source)
The 404 Solution plugin for WordPress is vulnerable to SQL Injection in all versions up to, and including, 3.1.0 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This is due to improper sanitization of the `filterText` parameter in the `ajaxUpdatePaginationLinks` AJAX action. The sanitization logic can be bypassed by using the sequence `*$/` which becomes `*/` after the `$` character is removed, allowing attackers to escape SQL comment contexts. This makes it possible for authenticated attackers, with administrator-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database via a time-based blind SQL injection technique.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS